- Each size fits multiple seacock sizes.
- Press threaded brass inserts into the hull side of the backing block into the holes that match the seacock flange.
- Rigid 1/2" thickness provides secure installation but is flexible enough to conform to minor hull curvature.
- Will not swell or absorb moisture.
- Made from and environmentally friendly PVC foam specially formulated for marine applications.
|Fits Seacock Sizes||4000|